Lecture 18 Blood Quiz

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Match the blood component with their specific function. 1. A simple protein that makes up approximately 58% of the plasma proteins. Many act as transport molecules. 2. A simple protein that makes up approximately 38% of the plasma proteins. Many act as part of the immune system. 3. A protein that forms blood clots. 4. Plasma without the clotting factors. 5. The liquid portion of blood connective tissue.

1. Albumin 2. Globulin 3. Fibrin 4. Serum 5. Plasma

Test your knowledge about normal results found during a routine complete blood count test. 1. Approximately 5 million cells per microliter (μL) of blood ....... 2. Approximately 16 grams (g)/100 mL of blood ........ 3. Approximately 46% of the total blood volume ....... 4. Approximately 7000 cells per microliter of blood ..... 5. 250,000-400,000 per microliter of blood .......

1.Red blood count (RBC) 2. Hemoglobin 3. Hematocrit 4. White blood count (WBC) 5. Platelet

Complete the sentences about blood. Word Bank: Leukocytes, Cardiovascular, Biconcave, Platelets, Plasma, Erythrocytes, Immune -Blood contains numerous ......... red blood cells in a featureless matrix, called ............ -The numerous red cells are also called ........ These cells are unique because they lack nuclei. -There are smaller numbers of larger white cells with large, multilobed nuclei called ........, or white blood cells. -Blood is located within the ............ system where it functions in the transport of nutrients, gases, wastes, and other biologically relevant molecules.

Biconcave Plasma Erythrocytes Leukocytes Cardiovascular

Match each phrase to the formed element it describes. Erythrocyte, Neutrophil, Eosinophil, Lymphocyte, Basophil, Monocyte. -Differentiates into cells that produce antibodies. -Promotes vasodilation and release an anticoagulant. -Along with neutrophils, clears infections through phagocytosis. -Increases in number during bacterial infections. -Increases in number during parasitic infections. -Transportation of respiratory gases.

Erythrocyte -Transportation of respiratory gases. Neutrophil -Increases in number during bacterial infections. Eosinophil -Increases in number during parasitic infections. Lymphocyte -Differentiates into cells that produce antibodies. Basophil -Promotes vasodilation and release an anticoagulant. Monocyte -Along with neutrophils, clears infections through phagocytosis.

Check all that are components of the formed elements. a. Erythrocytes b. Leukocytes c. Platelets d. Plasma

Erythrocytes Leukocytes Platelets

If an individual's erythrocytes exhibit surface antigen D, the person is said to be Rh negative. True or False

False

Determine whether each item is a formed element or part of the plasma. Formed Element and Plasma Water, Waste, Basophils, Electrolytes, Neutrophils, WBCs, Proteins, Eosinophils

Formed Elements WBCs, Neutrophils, Eosinophils, Basophils, Platelets, RBCs, Lymphocytes, Monocytes Plasma Electrolytes, Water, Proteins, Wastes, Nutrients, Vitamins, Hormones, Gases

When blood loss is severe, the __________ nervous system helps maintain blood pressure and divert blood to where it is needed most. Sympathetic or Parasympathetic

Sympathetic

A deficiency in leukocyte number may lead to an increase in opportunistic infections. True or False

True

Which of the following factors is the initial stimulus for the release of EPO? a. A decrease in blood oxygen b. An increase in blood carbon dioxide c. A decrease in blood carbon dioxide d. An increase in blood oxygen

a. A decrease in blood oxygen

Select all that occur to the components of aged erythrocytes targeted for destruction. a. Heme is altered and excreted in the urine and feces. b. Some iron is eliminated in the urine and feces. c. Globin is broken down into amino acids. d. Some iron is stored in the kidneys for future use.

a. Heme is altered and excreted in the urine and feces. b. Some iron is eliminated in the urine and feces. c. Globin is broken down into amino acids.

Check all that are functions of the blood in the body. a. Transports oxygen from the lungs. b. Transports carbon dioxide from the cells to the lungs. c. Produces hormones to be transported to the endocrine glands. d. Regulates body temperature.

a. Transports oxygen from the lungs. b. Transports carbon dioxide from the cells to the lungs. d. Regulates body temperature.

Select all the responses to severe blood loss. a. Vasoconstriction b. Vasodilation c. Decrease heart rate d. Increased heart contraction strength

a. Vasoconstriction d. Increased heart contraction strength

Plasma is composed of about ........ % water? a. 30 b. 92 c. 6 d. 54

b. 92

The most abundant formed elements of the blood are. a. Platelets b. Erythrocytes c. Albumins d. Leukocytes

b. Erythrocytes

During erythropoiesis, the developing cell is referred to as a __________ during the final stage before becoming a fully mature erythrocyte. a. myeloid stem cell b. reticulocyte c. proerythroblast d. normoblast

b. reticulocyte

Identify the enzyme that destroys fibrin in a degrading blood clot. a. Actinomyosin b. Prothrombin c. Plasmin d. Fibrinogen

c. Plasmin

Choose the correct statement regarding the function of platelets. a. Platelets secrete chemicals that repel neutrophils and monocytes. b. Platelets secrete vasodilators. c. Platelets secrete procoagulants, or clotting factor, which promote blood clotting. d. Platelets prevent the formation of a clot-dissolving enzymes that dissolves blood clots that have outlasted their usefulness. e. Platelets secrete factors that inhibit mitosis in fibroblasts and smooth muscle.

c. Platelets secrete procoagulants, or clotting factor, which promote blood clotting.

If thrombin levels were low, coagulation would be difficult because? a. erythrocyte production would slow b. platelets would have nothing to adhere to c. formation of insoluble fibrin would be slow d. not enough factor X would be formed

c. formation of insoluble fibrin would be slow

The line of blood cell development that results in the formation of erythrocytes, megakaryocytes, and all leukocytes except for lymphocytes is the ____________ line. a. thromboid b. lymphoid c. myeloid d. erythroid

c. myeloid

The cell fragments that are a component of blood are? a. erythrocytes b. leukocytes c. platelets d. plasma

c. platelets

The first stage of hemostasis is ..........., where the damaged blood vessel constricts suddenly. a. platelet plug formation b. vascular relaxation c. blood clot formation d. vascular spasm

d. vascular spasm

The large cells that produce platelets are called?

megakaryocytes


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